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  1. ...molecules (Fig. 1B). Splicing of the WT exon takes place with an efficiency (percent spliced in, PSI; presented here as a proportion) of 0.065 (Ke et al. 2011); this low level is the result of depriving WT1-5 of its natural flanking intronic sequences (Zhang et al. 2005c). The modest splicing efficiency...
  2. ...successfully included the Figure 1. High-throughput definition of pre-mRNA splicing signals from sequence space. (A) The architecture of a linear minigene library. This minigene contains the Wilm’s tumor gene 1 exon 5 (WT1-5) as a central exon (yellow box) flanked by sequences from a Dhfr minigene (blue boxes...
  3. ...(see Methods) and aligned to the other primate s. As an estimate of neutral mutation rates, we enumerated changes in intron sequences. We ignored sequences located within 100 nt of exons, as these regions are known to harbor splicing regulatory signals ( Louie et al. 2003 ; Zhang et al. 2003 , 2005c...
  4. ...corresponding to the canonical SFRS1 binding site. The consensus site was not only enriched in exons cross-linked to SFRS1 in vivo, but was also enriched in close proximity to splice sites. mRNAs encoding RNA processing factors were significantly overrepresented, suggesting that SFRS1 may broadly influence...
  5. ...annotated 3′ UTRs and 55 are not optimized for intronic regions (Xia et al. 2014; Gruber et al. 2018; Ha et al. 2018). 56 Detecting IPA poses additional challenges due to lower transcript abundance, complex splicing 57 patterns, and confounding signals from intron retention. While experimental methods...
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  6. ...in the identification of G-rich motifs as part of dichotomous signals present in exon flanking sequences ( Zhang et al. 2005 ). U-rich sequences, however, have not been computationally analyzed or experimentally investigated on a large scale and therefore form the main focus of this article. Previous studies have shown...
  7. ...in introns flanking alternative “cassette” exons, suggesting a role in silencing of intervening exons, and we showed that these motifs can cooperatively silence splicing of an intervening exon in a splicing reporter assay. This approach can be easily generalized to problems beyond RNA splicing. Footnotes...
  8. ...exons ( Moran et al. 1999 ). The characteristics of an L1 insertion associated with a 3′ transduction is the presence of target site duplications surrounding both the L1 insertion and a segment of non-L1 3′ flanking DNA. Between the L1 and the transduced DNA resides the remnants of the poly(A) tail from...
  9. ..., miR–17–5p, and miR–20a are up-regulated by CCAT2 through TCF7L2-mediated transcriptional regulation. We further identify the physical interaction between CCAT2 and TCF7L2 resulting in an enhancement of WNT signaling activity. We show that CCAT2 is itself a WNT downstream target, which suggests...
  10. ...-associated-haplotypes HLA-A3-B7-Cw7-DR15 and HLA-A1-B8-Cw7-DR3 were sequenced in their entirety through a bacterial artificial chromosome (BAC) cloning strategy using the consanguineous cell lines PGF and COX, respectively. The two sequences were annotated to encompass all described splice variants of expressed genes...
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